Receptable attachable to an exercise machine



FIG. 1 is a front perspective view of the receptable attachable to an exercise machine showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right side elevational view thereof. 

The ornamental design for receptable attachable to an exercise machine, as shown. 